Ответ учителя по предмету Химия
а) Al2O3 + 6HNO3 —> 2Al(NO3)3 + 3H2O
б) H2SO4 + Mg —> MgSO4 + H2
в) KOH + HCl —> KCl + H2O
г) ZnCl2 + 2NaOH —> Zn(OH)2 + 2NaCl
д) Ca(NO3)2 + Na2SiO3 —> CaSiO3 + 2NaNO3
е) K2S + NaOH ⇄ Na2S + KOH
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